59results about How to "Reduce filter effect" patented technology

The filter element cleaning structure comprises a high-pressure filter element and a filter element head, the filter element head is fixedly installed at the top of the high-pressure filter element, moving rods are fixedly connected to the two sides of the bottom of the filter element head, moving blocks are movably connected to the surfaces of the moving rods, moving rings are fixedly connected to the inner sides of the moving blocks, and the moving rings are fixedly connected to the inner sides of the moving blocks. And a scraping ring is fixedly mounted at the bottom of the inner side of the moving ring. By arranging the moving rod, the moving block, the moving ring and the scraping ring, the moving block can effectively drive the moving ring to move on the surface of the moving rod, then the moving ring is pulled to move up and down through the adjusting assembly, the scraping ring on the inner side of the moving ring can clean the surface of the high-pressure filter element, and the problem that the surface of the high-pressure filter element cannot be cleaned due to the absence of a cleaning structure is solved. The problems that after the filter element is used for a long time, impurities and dust can be blocked and adsorbed on the surface of the filter element, the filtering effect of the filter element is reduced, the service life of the filter element is shortened, and normal use of the filter element filter is affected are solved.

The invention relates to the technical field of sewage treatment equipment, and particularly discloses graded sewage treatment equipment for ecological restoration of a water area, the graded sewage treatment equipment comprises an outer frame body, the outer frame body is tubular, the outer surface of the top of the outer frame body is fixedly connected with a mounting frame, and the top of the mounting frame is arranged above the outer frame body. In the filtering process, a motor is started to drive a rotating rod to rotate, and meanwhile, a rotating ring is driven to rotate through a connecting frame, so that a poke rod on the rotating rod rotates along with the rotating rod, and sewage preliminarily entering a filtering frame is poked; untreated sewage containing a large amount of impurities is prevented from precipitating in the filtering frame to block the filtering frame and reduce the filtering effect, meanwhile, when a motor is started, a filtering plate can be driven to move on the upper surface of a filtering ring, a cavity between the filtering frame and the outer frame body is stirred through the filtering plate, the impurities passing through the filtering frame are prevented from blocking the filtering ring, and the filtering effect is improved. The filtering effect is further improved, and the filtering fluency is improved.

The invention discloses a filtering and circulating device for excimer laser gas, and belongs to the technical field of excimer lasers. The filter comprises a hollow cylindrical outer shell, an air inlet pipeline and an air conveying pipeline are installed at the upper end of the outer shell, and a purification box body is installed in the outer shell; the turbine pump is rotationally arranged outside the rectangular cavity; the cross flow fan is rotationally arranged in the rectangular cavity; and the output end of the double-shaft output motor is respectively connected with the turbine pump and the cross flow fan. The flow of working gas in the backflow discharge cavity is increased, meanwhile, the flowing speed of the working gas is increased, the filtering efficiency of the filter on discharge dust particles is improved, meanwhile, the filter screen rotates all the time and can be self-cleaned, and the effective filtering area of the filter screen can change along with the speed of the working gas. And the filtering effect is ensured while the filtering efficiency is ensured.

The present invention belongs to the technical field of clothing manufacturing equipment, and in particular to a dust removal device for textile machinery and a method of using the same, comprising a clothing manufacturing machine, a top plate fixed on the upper surface of the clothing manufacturing machine, and a dust cover screwed to the surface of the top plate, the surface of the top plate being screwed to a dust removal fan, and the interior of the dust cover being provided with a dust removal mechanism. The device is provided with a dust removal mechanism, and can intercept and filter the generated cotton wool and fine fibers as well as dust in the air, thereby greatly improving the working environment and reducing the dust content in the air. The device can automatically clean the surface of the dust filter element to ensure the filtering effect of the dust filter element, and avoid dust backflowing back into the work workshop to cause pollution to the working environment, thereby creating a cleaner, healthier and more comfortable working environment for workers, helping to improve the work enthusiasm and work efficiency of workers, and reducing health problems such as respiratory diseases caused by dust.

The present application relates to the field of battery technology, and in particular to a positive electrode slurry of a Prussian blue compound, a preparation method thereof, and a positive electrode sheet. The preparation method of the positive electrode slurry of the Prussian blue compound comprises the following steps: obtaining a Prussian blue compound solution with a solid content of 10% to 80% by a coprecipitation method; placing the Prussian blue compound solution, a binder, a conductive agent, and an optional thickener in a solvent and mixing them evenly to obtain a positive electrode slurry of the Prussian blue compound. This method solves the problem that the dry powder of the Prussian blue compound is difficult to disperse into the slurry, thereby improving the capacity and initial efficiency of the battery prepared by the positive electrode slurry prepared by the method.

The invention relates to an industrial boiler waste heat utilization structure which comprises a waste heat utilization tank protection body, a dust cleaning assembly, ventilation pipes, a splicing filtering assembly and a waste heat utilization assembly, the dust cleaning assembly is installed in the waste heat utilization tank protection body, and the ventilation pipes are connected to the outer walls of the two sides of the waste heat utilization tank protection body in a penetrating mode. A splicing filtering assembly is installed on the ventilation pipe, and a waste heat utilization assembly is installed at the top end of the waste heat utilization tank protection body. The dust cleaning assembly is adopted, when smoke of the boiler is utilized, dust attached to the interior of equipment can be cleaned through a cleaning structure, the waste heat utilization effect is ensured, manual cleaning of the boiler is not needed, the heat transfer effect of the boiler is ensured, and the use effect of the equipment is improved; the spliced filtering assembly is adopted, the equipment and the boiler can be spliced through a clamping structure, smoke can be filtered, the filtering effect is reduced, and the spliced filtering effect is improved.

This utility model relates to a three-part quick-connect ball valve with filtration function, comprising a three-part valve body, a secondary pipe body laterally provided on the main pipe body, and a quick-connect assembly at the second outlet; a spherical valve core is provided in the secondary pipe body, which can be rotated to block or open the second outlet to form an adjustable flow channel; the valve body is provided with a rotatable operating part, which is fixedly connected to the spherical valve core by a valve stem; the filter cartridge includes a hollow filter frame, which is provided with an inner filter screen and an outer filter screen. The beneficial effects of this utility model are: the double-layer filter structure distributes the filtration pressure, and can maintain good filtration performance even in fluid environments with high impurity content, thereby preventing hard impurities from accumulating on the spherical valve core and rusting it.

The utility model belongs to the technical field of filters, and particularly relates to a double-layer grid filter convenient to clean, which comprises a mounting frame, a square counter bore is arranged at the bottom of the mounting frame, fixing grooves are arranged on two sides of the square counter bore, and a first filter plate is fixedly mounted at the top of the mounting frame. A plurality of first filter holes are formed in the front surface of the first filter plate, a second filter plate is movably mounted in the mounting frame, and a second filter hole is formed in the front surface of the second filter plate. Through the structural design of the mounting frame, the square counter bore, the fixing groove, the first filter plate, the first filter hole, the second filter plate and the second filter hole and through mutual cooperation of the structures, the functions of efficient filtration and quick disassembly and cleaning are achieved, the problem that cleaning is inconvenient due to easy blockage is solved, maintenance can be more convenient, and the service life of the filter is prolonged. The labor cost and the time cost in the maintenance process are reduced, and the filtered sundries can be easily taken out, so that subsequent cleaning and maintenance are facilitated.

The application discloses a kind of green building wall structure, comprising: wall, filter, water storage part and water supply assembly;Wall outside is planted pot for planting potted plant, is opened with cavity from top to bottom in wall, water storage part is equipped at the bottom of cavity, water storage part is suitable for containing rainwater flowing into cavity, water supply assembly rainwater in water storage part is sent to planting pot to irrigate potted plant, to realize saving resources, environmental protection, reduce environmental pollution.In the upper portion of cavity, filter is arranged, filter is used to filter rainwater flowing into cavity from the top of wall, impurities in rainwater are intercepted on filter, so as to avoid impurities in rainwater from causing blockage of water supply assembly, increase maintenance cost.

The utility model discloses a cutting device for glass fiber board production, which belongs to the technical field of glass fiber board production equipment and comprises a cutting support box for supporting a glass fiber board, and the inner top wall of the cutting support box is communicated with an air outlet box for dust to enter during glass fiber board processing. Cross-shaped grooves used for sliding are formed in the two sides of the interior of the air outlet box, springs are connected to the inner bottom walls of the two cross-shaped grooves, one ends of the springs are connected with cross-shaped plates, the cross-shaped plates are arranged in the cross-shaped grooves in a sliding mode, and second filter plate frames used for supporting are installed on the peripheries of the cross-shaped plates. According to the cutting device for glass fiber board production, the dust treatment capacity can be improved, the situation that dust pervades in a workshop is reduced, the health of operators is guaranteed, normal operation of equipment is guaranteed, tool abrasion is reduced, and the cutting precision and the product quality are improved.

The utility model relates to elevator air conditioning technical field discloses a kind of elevator air conditioning filter return air inlets, including machine body, the outside of machine body is fixedly connected with fixed shell, the middle part of fixed shell is fixedly connected with return air pipe, the top of fixed shell is installed with sealing mechanism, the inside of fixed shell is slidably connected with filter plate, the inside of fixed shell is installed with fixed assembly, the sealing mechanism includes rotating assembly and buckle assembly, the rotating assembly includes fixed link, the middle part of fixed shell is fixedly connected in the fixed link, the outer periphery of fixed link is rotatably connected with rotating block, the end of rotating block is fixedly connected with cover shell. In the utility model, by rotating cover shell, make buckle and hook joint, rotating handle makes cover shell and sealing pad closely adhere fixed shell top, fixed shell is sealed, prevent air conditioning return air too big through gap discharge produce a large amount of noise and pollution to environment.

The utility model provides a multi-stage filtering type quartz sand filter and belongs to the technical field of filters. Comprising a filter body; the filtering water inlet is formed in the top end of the filter body; the filtering part is positioned in the filter body and is used for filtering a water source entering from the filtering water inlet; the extruding part is positioned in the filter body and is arranged to extrude the filtering part so as to reduce a gap between the quartz sand in the filtering part; the power supply part is mounted at the top end of the filter body and is used for supplying energy to the extrusion part. By arranging the buffer piece, the speed of water flow impacting the filtering part is reduced, and the situation that gaps between quartz sand of the filtering part are increased, so that the filtering effect is reduced is prevented.

The utility model relates to the technical field of activated carbon boxes, and discloses an activated carbon box which comprises a front shaft, a middle shaft and a rear shaft. The front shaft is trapezoidal and is used for introducing air needing to be treated; the middle shaft is cuboid-shaped, and two ends of the middle shaft are respectively communicated with the front shaft and the rear end; the rear shaft is trapezoidal and is used for discharging clean air subjected to activated carbon adsorption treatment; the center shaft comprises a bearing shell, a fixing frame, an adsorption layer and a fixing plate. The multiple sets of fixing frames are inserted into the bearing shell at equal intervals. The introduced air is divided through the fixing frame; the adsorption layer is arranged in the fixing frame; the fixing plate is connected with the bearing shell through bolts.

This invention discloses a swimming pool circulation filtration device, comprising a filter element including a filter pipe, an inlet cone pipe, and an outlet sewage pipe; a reversing element disposed on one side of the filter element, including a reversing box, a flexible drum, and a reversing spring; and a drainage element disposed on one side of the reversing element, including a drainage pipe and a support base. This invention, through the cooperation of the filter element, the reversing element, and the drainage element, can switch the direction of water flow through the filter screen when the filter screen's filtration capacity decreases, flushing down impurities attached to the filter screen and into the sewage pipe.

The present invention discloses a low-frequency noise reduction interconnected oil filter unit and a method for using the same, comprising a machine body, wherein an oil tank, a coarse filter tank and a fine filter tank are arranged inside the machine body; a primary filter device is arranged at the top of the oil tank, and the primary filter device comprises: a filter barrel, wherein a plurality of filter barrels are fixedly connected to the top of the oil tank; a connecting mechanism, wherein the connecting mechanism is arranged above the plurality of filter barrels; a barrel cover, wherein the barrel cover is slidably interlaced with the inner cavity of the filter barrel; an installation mechanism, wherein the installation mechanism is arranged at the top of the plurality of filter barrels and is used to position the barrel cover; and a filtering mechanism, wherein the filtering mechanism is connected to the barrel cover and is used to perform a primary filtration on the oil. The present invention utilizes a setting method in which the filter barrel, the connecting mechanism, the barrel cover, the installation mechanism and the filtering mechanism are coordinated, and utilizes a three-way pipe to simultaneously enable two filter barrels to perform a primary filtration on the oil with impurities, and can clean the filter plate without stopping the machine, thereby saving the user's time and improving the oil filtering efficiency of the oil filter.

The utility model provides a water sample filtering device, which relates to the technical field of filtering devices and comprises a frame and a box body, a drain pipe is fixedly mounted at the bottom of the box body, a valve is fixedly mounted on the outer wall of the drain pipe, a limiting column is fixedly mounted in the box body, a motor I is fixedly mounted on one side of the box body, and a motor II is fixedly mounted on the other side of the box body. A two-way threaded rod is fixedly mounted at the output end of the first motor. According to the device, the limiting column, the first motor, the two-way threaded rod, the clamping rings and the round frame are arranged, the first motor is started, the first motor can drive the two-way threaded rod to rotate when working, and the two-way threaded rod can drive the two sets of clamping rings to slide in the opposite directions on the outer wall of the limiting column in the rotating process; the two groups of clamping rings are far away from the round frame after sliding for a certain distance, and the round frame and the filter barrel can be taken down for cleaning after being far away, so that the problem that the filtering effect of a water sample is reduced due to the fact that the blocked filter barrel cannot be detached is effectively avoided.

The utility model provides an oil layer sand production prevention device which comprises a base pipe framework and a plurality of annular steel wires wound on the outer side of the base pipe framework, a liquid passing gap is formed between every two adjacent annular steel wires, a plurality of radial flow guide grooves are formed in the upper surface and the lower surface of each annular steel wire, and in the same annular steel wire, a plurality of radial flow guide grooves are formed in the upper surface and the lower surface of each annular steel wire. The radial flow guide grooves are aligned up and down; the depth of the radial flow guide grooves is smaller than the width of the liquid passing gaps, and the radial flow guide grooves are used for guiding fluid to the inner side of the annular steel wire. The oil layer sand production control device has the advantages of being scientific in design, not prone to blockage, long in service life and high in practicability.

The utility model relates to the technical field of plastic inspection wells, and provides a plastic inspection well with a built-in sewage intercepting basket, the plastic inspection well comprises an upper inspection well, the bottom of the upper inspection well is fixedly connected with a lower inspection well, the interior of the upper inspection well is fixedly connected with a well lid, and the circumferential surface of the upper inspection well is provided with a water inlet; a water outlet is formed in the circumferential surface of the lower inspection well, and a sewage intercepting device is arranged in the upper inspection well; the sewage intercepting device comprises a sewage intercepting cylinder, the sewage intercepting cylinder is slidably connected to the inner wall of the lower inspection well, and a first filter screen is fixedly connected to the interior of the sewage intercepting cylinder. Large impurities are prevented from blocking the pipeline, the filtered sewage can be discharged out of the sludge settling box through the water outlet, and sludge deposited in the sludge settling box of the sewage can be left in the sludge settling box at the moment.

The utility model discloses gas dust filtering equipment, which belongs to the technical field of gas dust filtering equipment, and adopts the technical scheme that the gas dust filtering equipment comprises a non-slip mat, the top of the non-slip mat is fixedly connected with a vibration component, the inside of the vibration component is fixedly connected with a filtering component, and the top of the filtering component is fixedly connected with a gas inlet pipe; the filtering assembly comprises a box body, the top of the box body is communicated with a connecting pipe, and the problems that most of existing gas dust filtering equipment adsorbs and filters dust through a filtering plate, in the process of adsorbing or filtering the dust through the filtering plate, the surface of the filtering plate is accumulated or blocked by the dust due to long-time use, and the dust cannot be adsorbed or filtered by the filtering plate are solved. The problems that in the prior art, a user needs to disassemble a filter plate to scrape dust, in the process that the user manually scrapes the dust, the dust affects the construction environment, the dust is inconvenient to collect, and the workload of the user is increased are solved.

The utility model discloses a kind of bitter buckwheat yellow rice extrusion filter devices, it is related to yellow rice extrusion filter equipment technical field, including fixed plate one, the side surface of fixed plate one is fixedly connected with pipeline one, the inside fixed connection of fixed plate one has pipeline two, the inside symmetrical sliding connection of pipeline two has baffle, the upper portion symmetrical rotation connection of pipeline two has screw rod, the inside symmetrical sliding connection of fixed plate one has fixed plate two, by screen to the coarse filtration of bitter buckwheat yellow rice, bitter buckwheat shell in bitter buckwheat yellow rice can be filtered, can reduce the extrusion filter effect of bitter buckwheat shell influence bitter buckwheat yellow rice, by round bar and cylinder lug contact, when the rotation of carousel, round bar will produce vibration, round bar drives screen vibration again, the vibration of screen makes the bitter buckwheat shell accumulated in screen one side evenly spread on screen, can reduce the filtration effect of screen due to the excessive accumulation of bitter buckwheat shell in screen one side and reduce.

The slaughter processing environment regulation and control device comprises a slaughter house and air inlet pipelines, a plurality of notches are formed in the surface of the slaughter house, the air inlet pipelines are arranged at the notches, the air outlet side of a fixing plate is connected with the surface of the slaughter house through fixing bolts, and atomizing nozzles are arranged on the air inlet side of the inner surface of each air inlet pipeline. An atomizing nozzle is arranged at the air inlet of the air inlet pipeline, an ultraviolet disinfection lamp is arranged on the air outlet side of the atomizing nozzle, a filter plate is arranged on the air outlet side of the ultraviolet disinfection lamp, a window is arranged at the air outlet of the air inlet pipeline, and a screen window is arranged at the air outlet of the window. The air humidity can be improved, the ultraviolet disinfection lamp is arranged on the air outlet side of the atomization nozzle to disinfect the air, and the filter plate is arranged on the air outlet side of the ultraviolet disinfection lamp to filter dust in the air, so that the sanitary condition of the slaughter house is guaranteed.

The utility model discloses a high-heat-capacity X-ray tube, and relates to the technical field of X-ray tubes. Comprising a metal shell, anode heat conduction metal is fixedly installed at the bottom of the metal shell, an anode shell is fixedly installed at the position, close to the left side, of the top of the metal shell, and an exhaust end is arranged at the position, close to the right side, of the top of the metal shell; clamping grooves are formed in the positions, close to the center, of the left side and the right side of the outer surface of the filtering sleeve correspondingly, placing grooves are formed in the positions, close to the center, of the left side wall and the right side wall in the exhaust end correspondingly, sliding rod sets are arranged in the two placing grooves correspondingly, and sliding plates are arranged on the two sliding rod sets correspondingly; springs are fixedly mounted on the opposite sides of the two sliding plates, and clamping blocks are fixedly mounted on the adjacent sides of the two sliding plates.

The present application discloses an AI intelligent fresh air device, which relates to the field of intelligent fresh air technology, and improves the problem that the current fresh air device may cause the rapid loss of one of the hot air and the cold air when the ventilation volume is large, affecting the stability of the indoor temperature. The device includes a cabinet, and the inner top wall and the inner bottom wall of the cabinet are fixedly connected to a fresh air box, and the inner bottom wall of the fresh air box is respectively provided with an old air discharge component for discharging indoor air to the outside, a new air introduction component for introducing outdoor air into the room, and an air internal circulation component for circulating indoor air. The present application improves the stability of the indoor temperature by coordinating the cabinet, the fresh air box, the old air discharge component, the new air introduction component, and the air internal circulation component during use, by controlling the working states of the old air discharge component, the new air introduction component, and the air internal circulation component installed in the fresh air boxes at different heights, and provides the occupants with a more comfortable use experience.

The utility model belongs to the technical field of waste gas filtering treatment, and particularly relates to a waste gas filtering device for kitchen waste food treatment, which comprises a food treatment box and a filtering box, the filtering box is communicated with the top of the food treatment box, a coarse filter element and a fine filter element are mounted in the filtering box, and the fine filter element is positioned at the top of the coarse filter element. An automatic cleaning mechanism is arranged in the filter box; the automatic cleaning mechanism comprises a structural frame, cleaning plates, a connecting plate, a threaded rod, a positive and negative motor, a limiting rod and a movable plate, the structural frame is mounted on the front side of the filter box, the cleaning plates are arranged at the tops and the bottoms of the coarse filter element and the fine filter element respectively, and one ends of the connecting plate and the cleaning plates penetrate through the filter box and extend into the structural frame. According to the waste gas filtering device for kitchen waste food treatment, the filter element can be automatically cleaned, a filtering structure is in an efficient state, it is ensured that waste gas is continuously and effectively purified, air pollution is reduced, manual intervention is reduced, and the maintenance cost is reduced.

The utility model relates to PET slice device technical field, propose a kind of non-agitation PET polycondensation reaction kettle, including reation kettle body, including filter cartridge, the inside of filter cartridge is equipped with multiple evenly distributed filter plate, the top of multiple filter plates is connected with multiple evenly distributed support foot, the top of reation kettle is connected with top cover by bolt, top cover is equipped with feed pipe, the inside wall of reation kettle body is connected with support piece, the outer wall of filter cartridge is connected with two with support piece matched blocking parts, the top of filter cartridge is connected with protective skirt, the top of protective skirt is connected with two lugs, to this convenient for the replacement of filter plate, avoid because filter plate appears blockage, reduce the filtering effect of equipment.

The utility model relates to the technical field of dustproof cloth bag failure detection, and provides a dustproof cloth bag failure automatic closing device which comprises a mounting pipe provided with an air inlet and an air outlet, the air inlet is used for being communicated with a dustproof cloth bag, and the air outlet is communicated with the outside; the cover plate is arranged on the inner wall, close to the air outlet, of the mounting pipe in a swinging manner, and after the cover plate swings, the air outlet is blocked or canceled; the first detection piece is arranged on the inner wall, close to the air inlet, of the mounting pipe and used for detecting dust in gas flowing out of the dustproof cloth bag; the controller is arranged on the inner wall of the mounting pipe and is in communication connection with the first detection piece; the linear driving piece is provided with a telescopic end, the linear driving piece is arranged on the inner wall of the mounting pipe and is in communication connection with the controller, and the telescopic end is provided with a clamping groove; the check pin is arranged on the side, close to the linear driving piece, of the cover plate and used for being matched with the clamping groove in a clamped mode. By means of the technical scheme, the problem that in the prior art, a cloth bag type dust collector cannot be automatically closed when losing efficacy is solved.

The utility model discloses a water dispenser filtering assembly, which relates to the technical field of water dispenser filtering appliances and comprises a bottom cylinder, a filter element cylinder arranged on the upper portion of the bottom cylinder, a pressing sleeve arranged on the upper portion of the bottom cylinder, a plurality of connecting bolts arranged on the pressing sleeve, a water inlet arranged at the side end of the bottom cylinder, and a water outlet arranged at the side end of the filter element cylinder. Through the arrangement of the water inlet in the bottom cylinder and the water outlet in the filter element cylinder, filtered water can flow upwards for overflowing, and the situation that the filtering effect of the filtering device is reduced due to the fact that the filtering holes of the filter element are expanded under the condition that the water pressure is too large is avoided; the outer wall of the upper portion of the bottom cylinder is provided with a threaded protruding block, the inner side wall of the pressing sleeve is provided with a threaded groove used for being in threaded connection with the threaded protruding block, and the bottom cylinder and the filter element cylinder can be better fixed through the arrangement of the threaded protruding block and the threaded groove.

This utility model relates to the field of air purification and ventilation technology, and proposes an air conditioning purification and ventilation unit, including a filter cover and a collection box. The filter cover has a filter plate inside, and a sliding rod is slidably connected to the top of the filter cover. The bottom end of the sliding rod is connected to a scraper that is in close contact with the filter plate. The top of the sliding rod passes through the filter cover and is connected to a handle. A first through groove is opened on one side of the filter cover near the bottom. The collection box is placed on the inner lower side wall of the filter cover and is slidably connected to the first through groove. One end of the collection box passes through the first through groove and is connected to a first sealing plate. A baffle plate is connected inside the filter cover and is close to the top of the collection box. The baffle plate has a through opening that connects to the collection box. A threaded rod is rotatably connected inside the filter cover. One end of the threaded rod passes through the filter cover and is connected to a hand crank. A cleaning brush that cooperates with the baffle plate is threaded onto the threaded rod, thereby facilitating the collection and cleaning of dust.

The invention belongs to the technical field of green buildings, and discloses a green building rainwater recovery device for an arid pasturing area, which comprises a building body, a flow guide assembly, a filter assembly, a water collection tank and a linkage assembly, the building body comprises a building wall body, the flow guide assembly comprises a flow guide plate, a spring and a connecting block, and the upper surface of the flow guide plate is provided with a flow guide groove; the connecting block is connected with a telescopic rod, the flow guide plate is connected with a connecting frame, the filtering assembly comprises a filtering box body, the filtering box body is connected with a movable filtering net and a fixed filtering net, and the linkage assembly comprises a first connecting rod, a second connecting rod and a linkage plate. The spring is arranged between the flow guide plate of the flow guide assembly and the building wall, so that the flow guide plate can automatically adjust the included angle between the flow guide plate and the building wall according to the size of rainwater, and the movable filter screen of the filter assembly is connected with the flow guide plate through the linkage assembly, so that the movable filter screen can rotate along with rotation of the linkage plate; therefore, the water return efficiency of rainwater is ensured.

The utility model discloses a storage bin with a feed inlet capable of preventing dust from diffusing, which belongs to the technical field of storage bins and is technically characterized by comprising a feeding component, an absorbing component and a driving component. According to the material storage device, when materials are stored, the materials can be put into the storage barrel through the hollow box A, and due to the fact that dust may diffuse in the putting period, the driving assembly can be driven to drive the absorption assembly to operate, and then the dust in the hollow box A can be absorbed or discharged at a fixed point so as to facilitate follow-up treatment; after material feeding is finished, in order to further prevent dust from diffusing into air, a connecting arm can be connected with a screw rod, then a driving assembly can be operated, and then a sealing cover plate and the connecting arm can be driven to rotate together; therefore, the dust in the hollow box A can be prevented from diffusing into the air through the input pipe, and the dust can be further prevented from diffusing.